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Official data from INPI

REBOQUE PARA RECIPIENTES

Arquivada/ExtintaInvention Patent

Application data

Number

PI9101850

Type

Invention Patent

Filing

05/07/1991

Publication

12/17/1991

Progress at the INPI

  1. Filing05/07/91
  2. Publication12/17/91
  3. Examination09/08/93
  4. Allowance08/09/94
  5. Grant04/25/95
  6. Expired06/22/10

The letters patent expired on 06/22/2010: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/22/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Praxair Technology, Inc.

US

See this company's full portfolio

Inventors

A. L. (pessoa física)

US

D. M. (pessoa física)

US

J. K. (pessoa física)

US

V. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

520.619 · 05/08/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 07/05/2006

06/22/2010

RPI 2059

Concessão da patente

#16.1

04/25/1995

RPI 1273

Notificação para pagamento de retribuição

#13.1

12/06/1994

RPI 1253

Deferimento

#9.1

08/09/1994

RPI 1236

Solicitação de exame técnico

#4.1

09/08/1993

RPI 1188

14.4

05/25/1993

RPI 1173

14.7

05/25/1993

RPI 1173

Publicação do pedido de patente

#3.1

12/17/1991

RPI 1098

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